package com.syher.quartz.common;

/**
 * Created by shenyuhang on 2018/3/7.
 */
public class Global {



    private static class Holder {
        private static final Global global = new Global();

        public static Global instance() {
            return global;
        }
    }

    public static Global builder() {
        return Holder.instance();
    }


}
